Table 2.
Estimated 2001 mean and time trends (βT) of BMI percentile and weight-related behaviors in the United States, by gender, Youth Risk Behavior Survey, 2001–2007
| Meana | SEM | βT | 95% CI | |
|---|---|---|---|---|
| BMI percentile | ||||
| Girls | 57.67 | 0.43 | ||
| Linear | 1.10 | 0.73, 1.47 | ||
| Quadratic | −0.08 | −0.14, −0.01 | ||
| Boys | 63.57 | 0.30 | 0.18 | 0.07, 0.30 |
| TV viewing | ||||
| Girls | 2.07 | 0.03 | −0.01 | −0.03, 0.00 |
| Boys | 2.30 | 0.03 | −0.04 | −0.05, −0.03 |
| Sports participation | ||||
| Girls | 0.87 | 0.02 | 0.00 | −0.01, 0.01 |
| Boys | 1.18 | 0.01 | 0.00 | −0.01, 0.01 |
| PE attendance | ||||
| Girls | 1.68 | 0.05 | 0.01 | −0.01, 0.02 |
| Boys | 2.17 | 0.04 | 0.01 | −0.01, 0.03 |
| Fruits and vegetables | ||||
| Girls | 2.28 | 0.03 | 0.00 | −0.01, 0.01 |
| Boys | 2.50 | 0.03 | 0.00 | −0.01, 0.01 |
| 100% fruit juice | ||||
| Girls | 0.86 | 0.01 | −0.02 | −0.02, −0.01 |
| Boys | 1.01 | 0.01 | −0.02 | −0.03, −0.02 |
| Milk | ||||
| Girls | 0.91 | 0.01 | −0.02 | −0.03, −0.01 |
| Boys | 1.42 | 0.02 | −0.03 | −0.04, −0.03 |
Estimated 2001 mean, based on linear model